Chrysobactin siderophores produced by Dickeya chrysanthemi EC16.

TitleChrysobactin siderophores produced by Dickeya chrysanthemi EC16.
Publication TypeJournal Article
Year of Publication2011
AuthorsSandy M, Butler A
JournalJ Nat Prod
Date Published2011 May 27
KeywordsDipeptides, Molecular Structure, Pectobacterium chrysanthemi, Plant Diseases, Siderophores

The plant pathogen Dickeya chrysanthemi EC16 (formerly known as Petrobacterium chrysanthemi EC16 and Erwinia chrysanthemi EC16) was found to produce a new triscatecholamide siderophore, cyclic trichrysobactin, the related catecholamide compounds, linear trichrysobactin and dichrysobactin, and the previously reported monomeric siderophore unit, chrysobactin. Chrysobactin is comprised of L-serine, D-lysine, and 2,3-dihydroxybenzoic acid (DHBA). Trichrysobactin is a cyclic trimer of chrysobactin joined by a triserine lactone backbone. The chirality of the ferric complex of cyclic trichrysobactin is found to be in the Λ configuration, similar to Fe(III)-bacillibactin, which contains a glycine spacer between the DHBA and L-threonine components and is opposite that of Fe(III)-enterobactin, which contains DHBA ligated directly to L-serine.

Alternate JournalJ. Nat. Prod.
PubMed ID21545171
PubMed Central IDPMC3126860
Grant ListGM38130 / GM / NIGMS NIH HHS / United States
R01 GM038130-16 / GM / NIGMS NIH HHS / United States